A digital photogrammetric method to measure horizontal surficial movements on the Slumgullion landslide, Hinsdale County, Colorado
POWERS P.S. & CHIARLE M., 1996, A digital photogrammetric method to measure horizontal surficial movements on the Slumgullion landslide, Hinsdale County, Colorado,
Savage W.Z. & Varnes D.J. (eds.) "The Slumgullion Earthflow_ a large-scale natural laboratory". U.S.Geol. Surv. Bull. 2130, pp. 51–56, 1996,
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